Companies · category

Top Software Development Companies for Software Testing

21 of 36 software development companies ranked on evidence in the Q4 2026 edition.

Between them, the 36 software development companies on this page cover software development (32), web development (28), web design (28) and UI/UX design (26). They also list work in Lviv. 36 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

21 of 36 software development companies ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All software development companies 21 ranked SMEs 16 ranked

Filter by fitbudget, engagement, size and more

SimbirSoft Inc
Custom Software Development · Software Development · Web Development · Also in United States of America
SimbirSoft is a software company founded in 2001 by four engineers. It grew from a small team into a large firm.
Write a review
Why #1 (shared): Founded 2001 · ISO 9001 · Team of 1,500+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
EffectiveSoft
Mobile App Development · Web Development · Web Design · Also in United States of America
EffectiveSoft is a product engineering company, founded in 2001, that develops custom software and applies AI to it.
Write a review
Why #1 (shared): Founded 2001 · ISO 27001 · Team of 250+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
ScienceSoft
Software Development · Quality Assurance · CRM Development · Also in United States of America
US-headquartered IT consulting and custom software development company serving mid-sized and large organisations worldwide
Write a review
Why #3: Founded 1989 · ISO 9001, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Otakoyi
Custom Software Development · Software Development · Web Development · Also in Lviv
Otakoyi is an IT company founded in Lviv, Ukraine, in 2011. It builds software for startups and established companies, and now stresses AI-driven development alongside its core web…
Write a review
Why #4: Founded 2011 · Client numbers stated on its own website, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Arcadia
Mobile App Development · Custom Software Development · Software Development · Also in United Kingdom
Arcadia, which presents itself under the name Software Country, is an international technology company providing custom software development and IT outsourcing.
Write a review
Why #5: Founded 1993 · Team of 550+, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
NetRom Software BV
Mobile App Development · Software Development · Web Development · Also in Netherlands
NetRom Software BV is a software development company that supplies dedicated nearshore engineering teams.
Write a review
Why #6: Founded 1999 · Team of 500+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Zfort Group
Mobile App Development · Custom Software Development · Search Engine Optimization · Also in United States of America
Zfort Group is an IT services provider that has worked since 2000. It covers consulting, planning, development and support of web and mobile software, with a growing focus on AI.
Write a review
Why #7: Founded 2000 · Team of 200+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Code Factory Group
Mobile App Development · Custom Software Development · Software Development · Also in Romania
Code Factory Group is an independent software company offering custom development and quality assurance.
Write a review
Why #8: Founded 2004 · Project numbers stated on its own website, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Godel Technologies Europe
Artificial Intelligence - AI · Mobile App Development · Software Development · Also in United Kingdom
Godel Technologies Europe is a software engineering company headquartered in the UK, with delivery teams in several locations in Belarus.
Write a review
Why #9: In business 20+ years · Team of 1,300+, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
CN Group CZ s.r.o.
Software Development · UI/UX Design · Quality Assurance · Also in Czech Republic
CN Group CZ s.r.o. develops software on an outsourced basis for customers in Scandinavia, Germany, Austria, Switzerland and the UK.
Write a review
Why #10: Founded 1994, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
QAREA
Software Development · Web Development · Web Design · Also in United States of America
QArea is a software outsourcing company founded in 2001. Its website describes development and quality assurance services, with engineers working either on a whole product or as…
Write a review
Why #11 (shared): Founded 2001, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
KOMIX s.r.o.
Software Development · UI/UX Design · Quality Assurance · Also in Czech Republic
KOMIX s.r.o. is a Czech IT company with a history of about 25 years.
Write a review
Why #11 (shared): In business 25+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Acropolium
Mobile App Development · Software Development · Web Development · Also in Czech Republic
Custom software developer serving start-ups, mid-sized firms and large enterprises with AI, cloud, ERP and consulting work
Write a review
Why #13: Founded 2003, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Andersen Lab
Mobile App Development · Search Engine Optimization · Software Development · Also in Belarus
Andersen Lab is a software development company that delivers projects end to end or supplies engineers to strengthen a client's own team.
Write a review
Why #14: Founded 2007 · Project numbers stated on its own website, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Yanpix
Mobile App Development · Software Development · Web Development · Also in Slovakia
Yanpix is a software development company serving large and small businesses worldwide since 2008.
Write a review
Why #15: Founded 2008, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Redentu
Web Development · Web Design · UI/UX Design · Also in Lviv
Redentu is an independent software engineering studio that has operated since 2016.
Write a review
Why #16 (shared): Founded 2016, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Q
Qualito
Software Development · Web Design · UI/UX Design · Also in Germany
Qualito is an international software development outsourcing firm founded in 2016.
Write a review
Why #16 (shared): Founded 2016, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
j-labs software specialists
Custom Software Development · Software Development · Web Development · Also in Poland
j-labs software specialists is a software house in Poland that places engineers on client projects, either by joining existing teams or by taking on a whole project.
Write a review
Why #18: ISO 9001, ISO 27001, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
DataMix
Artificial Intelligence - AI · Mobile App Development · Software Development · Also in Ukraine
Ukrainian software house building web and machine learning applications for start-ups and small and medium-sized businesses
Write a review
Why #19: Founded 2017, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
HiTech Service LLC
Mobile App Development · Custom Software Development · Software Development · Also in New York and York
HiTech Service LLC is an IT outsourcing company with an office in the United States and a research and development centre in Ukraine.
Write a review
Why #20 (shared): ISO 9001, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
One Logic Soft
Custom Software Development · Software Development · Web Development · Also in Kyiv
One Logic Soft develops custom web and mobile applications for clients around the world.
Write a review
Why #20 (shared): HubSpot partner, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
Clurgo
Mobile App Development · Software Development · Web Design · Also in Poland
Clurgo is a software development company that acts as an in-house team for its clients. Its site describes end-to-end Java-based development.
Write a review
On record: Team of 100+, as stated on its own website, read 6 Oct 2026
SolbegSoft
Software Development · Quality Assurance · Frontend · Also in United States of America
SolbegSoft, which also trades as Solbeg, develops custom software and offers outsourcing and consulting.
Write a review
On record: Project numbers stated on its own website, as stated on its own website, read 6 Oct 2026
Startup Development House
Artificial Intelligence - AI · Mobile App Development · Software Development · Also in Poland
Startup Development House is a custom software and product development company based in Warsaw, Poland.
Write a review
On record: Team of 60+, as stated on its own website, read 6 Oct 2026

For vendors

Want to see your company here?

The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.

Not on TrustList yet? Add your company or claim its listing, free.

Get vetted

Free

We check your registration, your website and your clients
Approved listings show the Verified badge here and on their profile
It earns a rank number and counts towards the TrustList Score; renewed yearly

Apply for vetting How vetting works

Sponsor this ranking

Paid · always labelled

A Sponsored card above the ranked list, up to three per ranking
Marked Sponsored, and it never changes the order
Booked by the month; cancel any time

Sponsor this ranking See prices

Same subject

More software development companies rankings

Every other way we rank software development companies, by what they do and where they are.

All 365 rankings

Articles

More categories

Jump to another ranked category.

All categories

Keep exploring

More on TrustList

Everything here links back to the same verified catalogue. Pick your next stop.

Top Software Development Companies for Software Testing

SimbirSoft Inc

EffectiveSoft

ScienceSoft

Otakoyi

Arcadia

NetRom Software BV

Zfort Group

Code Factory Group

Godel Technologies Europe

CN Group CZ s.r.o.

QAREA

KOMIX s.r.o.

Acropolium

Andersen Lab

Yanpix

Redentu

Qualito

j-labs software specialists

DataMix

HiTech Service LLC

One Logic Soft

Clurgo

SolbegSoft

Startup Development House

Want to see your company here?

Get vetted

Sponsor this ranking

More software development companies rankings

Related reading

Klarent raises $8m to bring AI-written software tests to the US

NITDA's software testing rules reach full effect in Q2 2027

IT services takeovers completed on 30 September and 1 October 2026: Capgemini Government Solutions, OPTiM, GMO NIKKO, Empire State

More categories

More on TrustList